Basic statistics
Correlation
Measure how strongly variables move together, with Pearson for normal data and Spearman for ranks.
Data format
Variables in columns with their names in the first row; every column needs the same number of values.
Height, Tillers, Yield 92.4, 11, 48.2 88.1, 9, 45.6 95.0, 12, 50.3
You get
- Pearson r and Spearman ρ for every pair of variables
- Two-tailed p-values, marked at 5% and 1%
Downloads as Excel, PDF and Word.
Method
Enter data
Variable names in the first row, then one row per observation (as in Excel or SPSS). A first column of labels such as P1, P2 is ignored.
or drag and drop here